Online Time Killer: Bubble Tanks 2

Bubble Tanks 2 is a sequel to Bubble Tanks 1 from Hero Interactive. You pilot a bubble tank and try to kill enemy tanks and steal their bubbles. Steal enough bubbles and you get to advance to a new level where you can improve your tank and your weapons.

Bubble Tanks 2 is quite addictive and habit forming. You will likely play longer than you intended to. Bubble Tanks 2 also has great and relaxing music.